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130 lines
2.7 KiB
130 lines
2.7 KiB
/* |
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* Copyright (c) 2013 Qualcomm Atheros, Inc. |
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* |
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* Permission to use, copy, modify, and/or distribute this software for any |
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* purpose with or without fee is hereby granted, provided that the above |
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* copyright notice and this permission notice appear in all copies. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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*/ |
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#ifndef SPECTRAL_COMMON_H |
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#define SPECTRAL_COMMON_H |
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#define SPECTRAL_HT20_NUM_BINS 56 |
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#define SPECTRAL_HT20_40_NUM_BINS 128 |
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/* TODO: could possibly be 512, but no samples this large |
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* could be acquired so far. |
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*/ |
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#define SPECTRAL_ATH10K_MAX_NUM_BINS 256 |
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#define SPECTRAL_ATH11K_MAX_NUM_BINS 512 |
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/* FFT sample format given to userspace via debugfs. |
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* |
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* Please keep the type/length at the front position and change |
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* other fields after adding another sample type |
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* |
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* TODO: this might need rework when switching to nl80211-based |
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* interface. |
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*/ |
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enum ath_fft_sample_type { |
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ATH_FFT_SAMPLE_HT20 = 1, |
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ATH_FFT_SAMPLE_HT20_40, |
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ATH_FFT_SAMPLE_ATH10K, |
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ATH_FFT_SAMPLE_ATH11K |
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}; |
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struct fft_sample_tlv { |
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u8 type; /* see ath_fft_sample */ |
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__be16 length; |
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/* type dependent data follows */ |
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} __packed; |
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struct fft_sample_ht20 { |
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struct fft_sample_tlv tlv; |
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u8 max_exp; |
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__be16 freq; |
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s8 rssi; |
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s8 noise; |
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__be16 max_magnitude; |
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u8 max_index; |
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u8 bitmap_weight; |
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__be64 tsf; |
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u8 data[SPECTRAL_HT20_NUM_BINS]; |
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} __packed; |
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struct fft_sample_ht20_40 { |
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struct fft_sample_tlv tlv; |
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u8 channel_type; |
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__be16 freq; |
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s8 lower_rssi; |
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s8 upper_rssi; |
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__be64 tsf; |
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s8 lower_noise; |
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s8 upper_noise; |
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__be16 lower_max_magnitude; |
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__be16 upper_max_magnitude; |
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u8 lower_max_index; |
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u8 upper_max_index; |
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u8 lower_bitmap_weight; |
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u8 upper_bitmap_weight; |
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u8 max_exp; |
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u8 data[SPECTRAL_HT20_40_NUM_BINS]; |
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} __packed; |
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struct fft_sample_ath10k { |
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struct fft_sample_tlv tlv; |
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u8 chan_width_mhz; |
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__be16 freq1; |
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__be16 freq2; |
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__be16 noise; |
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__be16 max_magnitude; |
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__be16 total_gain_db; |
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__be16 base_pwr_db; |
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__be64 tsf; |
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s8 max_index; |
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u8 rssi; |
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u8 relpwr_db; |
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u8 avgpwr_db; |
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u8 max_exp; |
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u8 data[0]; |
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} __packed; |
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struct fft_sample_ath11k { |
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struct fft_sample_tlv tlv; |
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u8 chan_width_mhz; |
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s8 max_index; |
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u8 max_exp; |
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__be16 freq1; |
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__be16 freq2; |
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__be16 max_magnitude; |
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__be16 rssi; |
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__be32 tsf; |
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__be32 noise; |
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u8 data[0]; |
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} __packed; |
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#endif /* SPECTRAL_COMMON_H */
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